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#pragma once

#include <cute/config.hpp>           // CUTE_HOST_DEVICE
#include <cute/numeric/complex.hpp>  // cute::fma
#include <cute/numeric/real.hpp>     // cute::fma

namespace cute
{

//
// Direct FMA for any type
//

template <class D, class A = D, class B = A, class C = D>
struct UniversalFMA
{
  using DRegisters = D[1];
  using ARegisters = A[1];
  using BRegisters = B[1];
  using CRegisters = C[1];

  CUTE_HOST_DEVICE static constexpr void
  fma(D      & d,
      A const& a,
      B const& b,
      C const& c)
  {
    // Forward to an ADL/cute free function for these types
    using cute::fma;
    fma(d, a, b, c);
  }
};

} // end namespace cute
